2012 NGA 133 Cities Lidar: Grand Rapids, MI
OCM Partners
Data Set
(DS)
| ID: 71327
| Published / External
Created: 2023-11-07
|
Last Modified: 2023-12-08
Project (PRJ) | ID: 49401
ID: 71327
Data Set (DS)
* Discovery• First Pass
» Metadata Rubric
Item Identification
| * » Title | 2012 NGA 133 Cities Lidar: Grand Rapids, MI |
|---|---|
| Short Name | 2012 Grand Rapids lidar m9968 |
| * Status | Completed |
| Creation Date | 2012-10 |
| Revision Date | |
| • Publication Date | 2023-11-07 |
| * » Abstract |
Airborne lidar data covering Grand Rapids, MI, collected in October 2012 as part of the NGA 133 cities project. The project area was approximately 785 square kilometers. The LiDAR was collected and processed to meet the Nominal Post Spacing (NPS)requirement of 1.0 meters. The data was collected using a Leica ALS50-II 150 kHz Multiple Pulses in Air (MPiA) LiDAR sensor installed in a Leica gyro-stabilized PAV30 mount. The ALS50-II 150 kHz sensor collects up to four returns per pulse, as well as intensity data, for the first three returns. If a fourth return was captured, the system does not record an associated intensity value. |
| * Purpose |
Part of a project to provide 3D elevation coverage of major cities in the United States. |
| Notes | |
| Other Citation Details | |
| • Supplemental Information | |
| DOI (Digital Object Identifier) | |
| DOI Registration Authority | |
| DOI Issue Date |
Keywords
Theme Keywords
| Thesaurus | Keyword |
|---|---|
| Global Change Master Directory (GCMD) Science Keywords | EARTH SCIENCE > LAND SURFACE > TOPOGRAPHY > TERRAIN ELEVATION |
| ISO 19115 Topic Category | elevation |
| NGDA Portfolio Themes | Elevation Theme |
Temporal Keywords
| Thesaurus | Keyword |
|---|---|
* Spatial Keywords
| Thesaurus | Keyword |
|---|---|
| Global Change Master Directory (GCMD) Location Keywords | CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > ILLINOIS |
Stratum Keywords
| Thesaurus | Keyword |
|---|---|
Instrument Keywords
| Thesaurus | Keyword |
|---|---|
| Global Change Master Directory (GCMD) Instrument Keywords | LIDAR ALTIMETERS > Light Detection and Ranging Altimeters |
Platform Keywords
| Thesaurus | Keyword |
|---|---|
Physical Location
| • » Organization | Office for Coastal Management |
|---|---|
| • » City | Charleston |
| • » State/Province | SC |
| • Country | United States |
| • » Location Description |
Data Set Information
| * Data Set Scope Code | Data Set |
|---|---|
| • Data Set Type | Elevation |
| • Maintenance Frequency | As Needed |
| Maintenance Note | |
| » Data Presentation Form | Model (digital) |
| • Entity Attribute Overview |
X,Y,Z point locations laser return intensity pulse return number number of returns |
| Entity Attribute Detail Citation | |
| Entity Attribute Detail URL | https://www.asprs.org/wp-content/uploads/2019/07/LAS_1_4_r15.pdf |
| Distribution Liability |
None |
| Data Set Credit | NGA, SAIC, Woolpert |
Support Roles
| * » Support Role | Data Steward |
|---|---|
| * » Date Effective From | 2023-11-07 |
| Date Effective To | |
| Organization | NOAA Office for Coastal Management (NOAA/OCM) |
| Address |
2234 South Hobson Ave Charleston, SC 29405-2413 |
| Email Address | coastal.info@noaa.gov |
| Phone | (843) 740-1202 |
| Fax | |
| Mobile | |
| URL | https://coast.noaa.gov |
| Business Hours | |
| Contact Instructions |
| * » Support Role | Distributor |
|---|---|
| * » Date Effective From | 2023-11-07 |
| Date Effective To | |
| Organization | NOAA Office for Coastal Management (NOAA/OCM) |
| Address |
2234 South Hobson Ave Charleston, SC 29405-2413 |
| Email Address | coastal.info@noaa.gov |
| Phone | (843) 740-1202 |
| Fax | |
| Mobile | |
| URL | https://coast.noaa.gov |
| Business Hours | |
| Contact Instructions |
| * » Support Role | Metadata Contact |
|---|---|
| * » Date Effective From | 2023-11-07 |
| Date Effective To | |
| Organization | NOAA Office for Coastal Management (NOAA/OCM) |
| Address |
2234 South Hobson Ave Charleston, SC 29405-2413 |
| Email Address | coastal.info@noaa.gov |
| Phone | (843) 740-1202 |
| Fax | |
| Mobile | |
| URL | https://coast.noaa.gov |
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| * Contact Instructions |
Extents
| Currentness Reference | Ground Condition |
|---|
Extent Group 1
| Extent Description |
|---|
Extent Group 1 / Geographic Area 1
| * » W° Bound | -85.84281 |
|---|---|
| * » E° Bound | -85.46123 |
| * » N° Bound | 43.07524 |
| * » S° Bound | 42.820763 |
| * » Description |
Grand Rapids, MI |
Extent Group 1 / Vertical Extent
| EPSG Code | |
|---|---|
| Vertical Minimum | |
| Vertical Maximum |
Extent Group 1 / Time Frame 1
| * » Time Frame Type | Discrete |
|---|---|
| * » Start | 2012-10-01 |
| End | |
| Alternate Start As Of Info | |
| Alternate End As Of Info | |
| Description |
Date of data collection. |
Spatial Information
Spatial Resolution
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Vector Representation
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Reference Systems
Reference System
| EPSG Code | EPSG:6319 | ||||||||||||||||||||||||||||
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Access Information
| Data License | |
|---|---|
| Data License URL | |
| Data License Statement | |
| * » Security Class | Unclassified |
| * Security Classification System | |
| Security Handling Description | |
| • Data Access Policy |
Data is available online for no cost bulk and custom downloads |
| » Data Access Procedure | |
| • » Data Access Constraints |
None |
| • Data Use Constraints |
Users should be aware that temporal changes may have occurred since this data set was collected and some parts of this data may no longer represent actual surface conditions. Users should not use this data for critical applications without a full awareness of its limitations. |
| Metadata Access Constraints | |
| Metadata Use Constraints |
Distribution Information
| Start Date | 2023-11-07 |
|---|---|
| End Date | Present |
| » Download URL | https://coast.noaa.gov/dataviewer/#/lidar/search/where:ID=9968 |
| Distributor | NOAA Office for Coastal Management (NOAA/OCM) (2023-11-07 - Present) |
| File Name | Custom Download |
| Description |
Custom download for dataset allowing subsets, projection/datum changes, and derived product generation. |
| File Date/Time | |
| File Type (Deprecated) | |
| Distribution Format | Not Applicable |
| File Size | |
| Application Version | |
| Compression | Zip |
| Review Status | Not Chked |
| Start Date | 2023-11-07 |
|---|---|
| End Date | Present |
| » Download URL | https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9968/index.html |
| Distributor | NOAA Office for Coastal Management (NOAA/OCM) (2023-11-07 - Present) |
| File Name | Bulk Download |
| Description |
LAZ files in geographic coordinates and NAVD88 geoid18 heights in meters. |
| File Date/Time | |
| File Type (Deprecated) | |
| Distribution Format | LAS/LAZ - LASer |
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| Application Version | |
| Compression | LAZ |
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Archive Information
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URLs
| URL | https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9968/supplemental/FINAL_LiDAR_Report_GrandRapidsMI_Nov2012.pdf |
|---|---|
| Name | Data Report |
| URL Type | Online Resource |
| File Resource Format | |
| Description |
Data report by Woolpert describing the collection and processing of data delivered to SAIC. |
| URL | https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9968/supplemental/GrandRapids_2012_extent_m9968.kmz |
|---|---|
| Name | Data extent browse graphic |
| URL Type | Browse Graphic |
| File Resource Format | kmz |
| Description |
KMZ extent of data. |
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Activity Log
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Issues
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Technical Environment
| Description |
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Data Quality
| Representativeness | |
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| Accuracy | |
| Analytical Accuracy | |
| Horizontal Positional Accuracy |
Unknown. Assumed to be less than 1 meter RMSE in order to achieve the measured vertical accuracy. |
| Vertical Positional Accuracy |
Comparison with bare earth ground surveyed QA/QC points shows a vertical root means square error of 0.049 meters. |
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Data Management
| » Have Resources for Management of these Data Been Identified? | |
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| » Approximate Percentage of Budget for these Data Devoted to Data Management | |
| » Do these Data Comply with the Data Access Directive? | |
| » Is Access to the Data Limited Based on an Approved Waiver? | |
| » If Distributor (Data Hosting Service) is Needed, Please Indicate | |
| » Approximate Delay Between Data Collection and Dissemination | |
| » If Delay is Longer than Latency of Automated Processing, Indicate Under What Authority Data Access is Delayed |
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| » Actual or Planned Long-Term Data Archive Location | |
| » If World Data Center or Other, Specify | |
| » If To Be Determined, Unable to Archive, or No Archiving Intended, Explain |
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| » Approximate Delay Between Data Collection and Archiving | |
| » How Will the Data Be Protected from Accidental or Malicious Modification or Deletion Prior to Receipt by the Archive? |
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Lineage
| » Lineage Statement |
This dataset was originally collected for NGA by SAIC and Woolpert. After it was released to the public domain, it was made available by the USGS as a Non-Standard Contributed dataset. NOAA obtained the data from USGS and reformatted it for ingestion in the Digital Coast Data Access Viewer. |
|---|
Sources
| Citation Title | USGS Non-Standard Contributed Grand Rapids 2012 133 Cities data |
|---|---|
| Contact Role Type | Publisher |
| Contact Type | Organization |
| Contact Name | USGS |
| Publish Date | |
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| Scale Denominator | |
| Citation URL | https://rockyweb.usgs.gov/vdelivery/Datasets/Staged/Elevation/Non_Standard_Contributed/NGA_US_Cities/Grand_Rapids_MI/ |
| Citation URL Name | Source data |
| Citation URL Description |
Link to the USGS site with the data in UTM 16N. |
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Process Steps
| Process Step Number | 1 |
|---|---|
| » Description |
The LiDAR data was acquired with a Leica ALS70 500 kHz Multiple Pulses in Air (MPiA) LiDAR sensor system, on board Cessna 404's. TheLeica ALS70 500 LiDAR system, developed by Leica Geosystems of Heerbrugg, Switzerland, includes the simultaneous first, intermediate and last pulse data capture module, the extended altitude range module, and the target signal intensity capture module. The system software is operated on an OC50 Operation Controller aboard the aircraft. |
| Process Date/Time | 2012-10-01 00:00:00 |
| Process Contact | |
| Phone (Voice) | |
| Email Address | |
| Source |
| Process Step Number | 2 |
|---|---|
| » Description |
1. Resolved kinematic corrections for three subsystems: inertial measurement unit (IMU), sensor orientation information and airborne GPS data. Developed a blending post-processed aircraft position with attitude data using Kalman filtering technology or the smoothed best estimate trajectory (SBET). Software: POSPac Software v. 5.3, POSGNSS Software v. 5.20, IPAS Pro v.1.35. 2. Calculated laser point position by associating the SBET position to each laser point return time, scan angle, intensity, etc. Created raw laser point cloud data for the entire survey in .LAS format. Automated line-to-line calibrations were then performed for system attitude parameters (pitch, roll, heading), mirror flex (scale) and GPS/IMU drift. Software: ALS Post Processing Software v.2.74, Proprietary Software, TerraMatch v. 12.01. 3. Imported processed .LAS point cloud data into project tiles. Resulting data were classified as ground and non-ground points with additional filters created to meet the project classification specifications. Statistical absolute accuracy was assessed via direct comparisons of ground classified points to ground RTK survey data. Based on the statistical analysis, the LiDAR data was then adjusted in relation to the survey ground control. Software: TerraScan v.12.005. 4. The .LAS files were evaluated through a series of QA/QC steps to eliminate remaining artifacts and small undulations from the ground class. Software: TerraScan v.12.005. |
| Process Date/Time | 2013-01-01 00:00:00 |
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| Source |
| Process Step Number | 3 |
|---|---|
| » Description |
Data was retrieved from USGS on August 2, 2023 in UTM 16N and NAVD88 (Geoid12). Data were converted to geographic NAD83(2011) coordinates and ellipsoid heights in meters for ingestion into the Digital Coast Data Access Viewer. Data were also reformatted into the cloud optimized point cloud version of LAZ format, including using LAS 1.4. |
| Process Date/Time | 2023-11-07 00:00:00 |
| Process Contact | NOAA Office for Coastal Management (NOAA/OCM) |
| Phone (Voice) | (843) 740-1202 |
| Email Address | coastal.info@noaa.gov |
| Source | USGS Non-Standard Contributed Grand Rapids 2012 133 Cities data |
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Acquisition Information
Instruments
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Platforms
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FAQs
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Child Items
Rubric scores updated every 15m
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Related Items
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Catalog Details
| Catalog Item ID | 71327 |
|---|---|
| Metadata Record Created By | Kirk Waters |
| Metadata Record Created | 2023-11-07 19:44+0000 |
| Metadata Record Last Modified By | Rebecca Mataosky |
| » Metadata Record Last Modified | 2023-12-08 16:44+0000 |
| Metadata Record Published | 2023-11-08 |
| Owner Org | OCMP |
| Metadata Publication Status | Published Externally |
| Do Not Publish? | N |
| Metadata Workflow State | Published / External |
| Metadata Last Review Date | 2023-11-07 |
| Metadata Review Frequency | 3 Years |
| Metadata Next Review Date | 2026-11-07 |
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